CVE-2020-35359

HIGH NUCLEI

Pure-FTPd 1.0.48 - Denial of Service via Connection Limit Exhaustion

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-35359. PoCs published by xynmaps. A Nuclei detection template is also available.

AI-analyzed exploit summary This script performs a denial-of-service attack against Pure-FTPd 1.0.48 by exhausting the maximum allowed connections. It uses threading to spawn multiple FTP connections to the target server, preventing legitimate users from connecting.

Description

Pure-FTPd 1.0.48 allows remote attackers to prevent legitimate server use by making enough connections to exceed the connection limit.

Exploits (1)

exploitdb WORKING POC
by xynmaps · pythondosmultiple
https://www.exploit-db.com/exploits/49105

This script performs a denial-of-service attack against Pure-FTPd 1.0.48 by exhausting the maximum allowed connections. It uses threading to spawn multiple FTP connections to the target server, preventing legitimate users from connecting.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Pure-FTPd 1.0.48
No auth needed
Prerequisites: Network access to the target FTP server · No connection rate-limiting on the target
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Nuclei Templates (1)

Pure-FTPd 1.0.48 - Denial of Service
HIGHby pussycat0x
Shodan: product:"pure-ftpd" || cpe:"cpe:2.3:a:pureftpd:pure-ftpd"

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/49105

Scores

CVSS v3 7.5
EPSS 0.0474
EPSS Percentile 90.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-770
Status published
Products (1)
pureftpd/pure-ftpd 1.0.48
Published Dec 26, 2020
Tracked Since Feb 18, 2026